OpenTechnical

OT-2026-000074794

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000074794) never changes.

Identity and time

Publication numberOT-2026-000074794 · never reused
Internal UUID01a0ae93-ac2c-7ab5-8465-11aef8335661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074794
StatusPUBLIC

Content hashes

Canonical textbfe56b09e7bb4f8d1e1965a7c082b0bcc6059fc87454660a13e9fa9210988858
Markdown55f48497841253d77c895867d3d6e06296607a96bdd4f5fd4960f44b429fed43
PDF
Publication page0f5d31f3b3d54911be73a959c5f9ce83a3760ac6ad3e69e954ec25abe5d88bf2
Manifestd512ed9b945e3ff53ccce1739bff58c9aaac3294e6d27ec128189c457155dbad

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJ+gTTNJMx5wdZ2yAvyRdgpLBFCXpuO7e31XEsR71AeAOwuM+ETEnYfeOGUffHmR1nNfZg0vFzxLd3Qn6hm1gCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:29.781452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074794
observed 0f5d31f3b3d54911be73a959c5f9ce83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.762825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074794/manifest.json
observed d512ed9b945e3ff53ccce1739bff58c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.743910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074794/publication.md
observed 55f48497841253d77c895867d3d6e062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.726565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074794/publication.txt
observed bfe56b09e7bb4f8d1e1965a7c082b0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.